Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 9.03
Milk (kg) -258.00 -0.014 3.61
Fat (kg) -1.81 -0.375 0.68
Prot (kg) -10.74 -0.441 4.74
Fertility Sub Index 1.93
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.23 1.117 0.26
Calving Sub Index 2.78
Gestation Length (days) -3.02 -0.919 2.78
Beef Sub Index -4.00
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index -2.08
Live WT (kg) 6.80 -0.307 -2.08
Total Carbon Sub Index 7.66

* Based on an €80/tonne carbon price